Wulftec LMB-250 Lumber Strapping System

Wulftec LMB-250 Lumber Strapping System

At a Glance

  • Specifically designed for lumber and panel industries
  • Hydraulic compression strapping system design
  • Top and side compression

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Wulftec LMB-250 Lumber Strapping System

Hydraulic Compression Strapping System Designed for Lumber

The LMB-250 Lumber Press is specifically designed for the lumber and panel industries. The hydraulic compression strapping system design facilitates maintenance and operation. Top and side compression ensures stable, tight loads that will retain high tension during transportation. The LMB-250 Lumber Press is easily integrated into existing production lines to create a seamless packaging system.


AC variable frequency drives are standard equipment on all machines
Lower maintenance and better reliability
Wulftec stretch wrappers will save time and money
NEMA 4/12 control panel dust tight and waterproof
Control panel is neatly organized eliminating time otherwise lost searching for wires
Control panel is UL508A approved
Superior electrical design including Allen Bradley MicroLogix PLC and AC drives
User-friendly touch-screen offers a simple yet effective way to adjust and maintain your equipment
All motors, proximity sensors, photoeyes and other sensors have quick disconnect cables that simplify installation and maintenance
Photoeyes are maintenance free and protected
All Wulftec structures are made of heavy-duty steel for rugged performance, even in the harshest work environments
Wulftec machines are built to last forever
During the strapping cycle, the strapping head indexes towards the load before tensioning sequence, so tensioning and sealing are done against the side of the load.
The strapping head is mounted on a movable assembly guided through linear bearings, and activated by an electric motor with a timing belt. The head has a load sensing device that detects the side of the load and tells the head movement to stop so tensioning and welding are done as close as possible to the product for maximum strap containment efficiency.
The bottom section of the strapping arch can be a standard undertrack style or an electric motor driven pallet bayonet for "through-pallet" strapping or a combination of both.
Up to 8 straps per minute may be applied, depending on strapping arch and package dimensions, strap quality and strap tension required. PET or polypropylene strap may be used with minor adjustments to the strapping head.
Electronic tension control through a variable frequency drive. Assures consistent tension control regardless of the number of cycles and environmental conditions. The strap tension is adjustable from the touch screen.
Wulftec heavy-duty conveyors are second-to-none in the industry
Coils of PET or polypropylene strapping with a core diameter of 16" can be fitted to the high speed dispensers, with pulley block accumulation system and electrical brake.
Ability to strap with polyester or polypropylene strapping without parts changes.
Non-Proprietary parts accessible on a local base

Best Warranties in the Industry

1-year on the strapping head and track
3-year unlimited cycle warranty
3-years on the steel structure

Please contact Pro Pac or call 888-318-0083 for your strapping equipment.

Specifications of the LMB-250 Strapping System

Dimensions 58" L x 130" W x 131.50" H
Approximate Shipping Weight 10000 lbs
(Excluding optional bunk feeder and conveyors)
Minimum Load Size 32"W x 15"H
Maximum Load Size 58"H x 60"W
Maximum Load Weight 5000 lbs (6000 lbs optional)
Electrical Requirements 460 V /3 ph /60Hz 40A
Pneumatic Requirements 3 cfm @ 80 psi
Controls Allen Bradley CompactLogix L24 PLC
Allen Bradley PanelView Plus 600 monochrome Touch Panel
24V control system
Current overload protection
NEMA 4/12 control cabinet with quick disconnect
Sick autoheight sensing photoeye with on/off mode
Power on/off lockable switch and indicator light
460VAC motors & variable frequency drives
Allen BradleyPowerFlex 525
Two emergency stop stations (1 on panel / 1 on platen)
Manual function for platen up/down and conveyor fwd/rev
Variable compression settings
Intuitive alarms diagnostic on touch screen
Machine and head cycle counters
Reset function
Strap track with under track allowing under pack strapping
2 fully adjustable strapping patterns
Alarm beacon
120 VAC outlet in control panel for service work
GS41 HT Strapping Head Possibility to strap with polyester from 3/8" to 5/8" wide
Consistently reproducible strap tensioning through an Allen Bradley Powerflex 70 VFD
Tension control with motor torque monitoring via the drive
Tension is adjustable on the HMI
Consistently high seal efficiency
Environmentally favorable sealing by vibration welding
Separate drive section for high speed strap feeding and take up to achieve maximum tension levels
Electronic strap circulation control
Accurate tension alignment of the strap
Precise and quick adjustment by automatic strap feeding unit
Strap Dispenser Coils of strap with a core diameter of 16" can be fitted to these high speed dispensers
With pulley block accumulation system and electrical brake
An optional powered version available for jumbo coil
Structure Heavy duty folded sheet metal uprights with upper frame structurally integrated with base for greater stability
Top & Side Compression Hydraulic compression pads for greater consistency and reliability
Compression controlled with pressure regulator on hydraulic units and pressure switch
Separate regulation for top and side compression
Compression speed controlled by flow regulator on hydraulic unit
Side compression using an oversized dual rack and pinion equalizer system
Maximum compression up to 25 000 lbs
Safety Features Maintenance safety pin to block the platen in place
This pin, when inserted, activates a sensor preventing the machine operation
2 E-stop buttons: 1 on control panel, and 1 on the platen
Technical Information The machine is provided with a manual including electro/mechanical schematics and drawings, maintenance program and PLC program disk

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